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<li class="navelem"><a class="el" href="dir_3f14f6767c31cb4a1d22c13c18cc6fc3.html">model</a></li><li class="navelem"><a class="el" href="dir_dfacf9feabcacd6a7f0d27a27a115723.html">clipper</a></li>  </ul>
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<div class="title">clipper.hpp</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*******************************************************************************</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">*                                                                              *</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">* Author    :  Angus Johnson                                                   *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">* Version   :  5.1.2                                                           *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">* Date      :  25 February 2013                                                *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">* Website   :  http://www.angusj.com                                           *</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">* Copyright :  Angus Johnson 2010-2013                                         *</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">*                                                                              *</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">* License:                                                                     *</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">* Use, modification &amp; distribution is subject to Boost Software License Ver 1. *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">* http://www.boost.org/LICENSE_1_0.txt                                         *</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">*                                                                              *</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">* Attributions:                                                                *</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment">* The code in this library is an extension of Bala Vatti&#39;s clipping algorithm: *</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment">* &quot;A generic solution to polygon clipping&quot;                                     *</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment">* Communications of the ACM, Vol 35, Issue 7 (July 1992) pp 56-63.             *</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment">* http://portal.acm.org/citation.cfm?id=129906                                 *</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment">*                                                                              *</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment">* Computer graphics and geometric modeling: implementation and algorithms      *</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment">* By Max K. Agoston                                                            *</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment">* Springer; 1 edition (January 4, 2005)                                        *</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment">* http://books.google.com/books?q=vatti+clipping+agoston                       *</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment">*                                                                              *</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment">* See also:                                                                    *</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment">* &quot;Polygon Offsetting by Computing Winding Numbers&quot;                            *</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="comment">* Paper no. DETC2005-85513 pp. 565-575                                         *</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="comment">* ASME 2005 International Design Engineering Technical Conferences             *</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="comment">* and Computers and Information in Engineering Conference (IDETC/CIE2005)      *</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="comment">* September 24-28, 2005 , Long Beach, California, USA                          *</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="comment">* http://www.me.berkeley.edu/~mcmains/pubs/DAC05OffsetPolygon.pdf              *</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="comment">*                                                                              *</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="comment">*******************************************************************************/</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor">#ifndef clipper_hpp</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define clipper_hpp</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="preprocessor">#include &lt;stdexcept&gt;</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor">#include &lt;cstring&gt;</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="preprocessor">#include &lt;cstdlib&gt;</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="preprocessor">#include &lt;ostream&gt;</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="keyword">namespace </span>ClipperLib {</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="keyword">enum</span> ClipType { ctIntersection, ctUnion, ctDifference, ctXor };</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="keyword">enum</span> PolyType { ptSubject, ptClip };</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="comment">//By far the most widely used winding rules for polygon filling are</span></div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="comment">//EvenOdd &amp; NonZero (GDI, GDI+, XLib, OpenGL, Cairo, AGG, Quartz, SVG, Gr32)</span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="comment">//Others rules include Positive, Negative and ABS_GTR_EQ_TWO (only in OpenGL)</span></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="comment">//see http://glprogramming.com/red/chapter11.html</span></div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="keyword">enum</span> PolyFillType { pftEvenOdd, pftNonZero, pftPositive, pftNegative };</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="keyword">typedef</span> <span class="keywordtype">signed</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> long64;</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> ulong64;</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;</div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="code" href="structClipperLib_1_1IntPoint.html">   56</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structClipperLib_1_1IntPoint.html">IntPoint</a> {</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;  long64 X;</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;  long64 Y;</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;  <a class="code" href="structClipperLib_1_1IntPoint.html">IntPoint</a>(long64 x = 0, long64 y = 0): X(x), Y(y) {};</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;  <span class="keyword">friend</span> std::ostream&amp; operator &lt;&lt;(std::ostream &amp;s, <a class="code" href="structClipperLib_1_1IntPoint.html">IntPoint</a> &amp;p);</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;};</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="keyword">typedef</span> std::vector&lt; IntPoint &gt; Polygon;</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="keyword">typedef</span> std::vector&lt; Polygon &gt; Polygons;</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;std::ostream&amp; operator &lt;&lt;(std::ostream &amp;s, Polygon &amp;p);</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;std::ostream&amp; operator &lt;&lt;(std::ostream &amp;s, Polygons &amp;p);</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;<span class="keyword">class </span><a class="code" href="classClipperLib_1_1PolyNode.html">PolyNode</a>;</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="keyword">typedef</span> std::vector&lt; PolyNode* &gt; PolyNodes;</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;</div>
<div class="line"><a name="l00074"></a><span class="lineno"><a class="code" href="classClipperLib_1_1PolyNode.html">   74</a></span>&#160;<span class="keyword">class </span><a class="code" href="classClipperLib_1_1PolyNode.html">PolyNode</a> </div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;{ </div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;    <a class="code" href="classClipperLib_1_1PolyNode.html">PolyNode</a>();</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;    Polygon Contour;</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    PolyNodes Childs;</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    <a class="code" href="classClipperLib_1_1PolyNode.html">PolyNode</a>* Parent;</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    <a class="code" href="classClipperLib_1_1PolyNode.html">PolyNode</a>* GetNext() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    <span class="keywordtype">bool</span> IsHole() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    <span class="keywordtype">int</span> ChildCount() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    <a class="code" href="classClipperLib_1_1PolyNode.html">PolyNode</a>* GetNextSiblingUp() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;    <span class="keywordtype">unsigned</span> Index; <span class="comment">//node index in Parent.Childs</span></div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    <span class="keywordtype">void</span> AddChild(<a class="code" href="classClipperLib_1_1PolyNode.html">PolyNode</a>&amp; child);</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;    <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classClipperLib_1_1Clipper.html">Clipper</a>; <span class="comment">//to access Index</span></div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;};</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;</div>
<div class="line"><a name="l00091"></a><span class="lineno"><a class="code" href="classClipperLib_1_1PolyTree.html">   91</a></span>&#160;<span class="keyword">class </span><a class="code" href="classClipperLib_1_1PolyTree.html">PolyTree</a>: <span class="keyword">public</span> <a class="code" href="classClipperLib_1_1PolyNode.html">PolyNode</a></div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;{ </div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    ~<a class="code" href="classClipperLib_1_1PolyTree.html">PolyTree</a>(){Clear();};</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    <a class="code" href="classClipperLib_1_1PolyNode.html">PolyNode</a>* GetFirst() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    <span class="keywordtype">void</span> Clear();</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;    <span class="keywordtype">int</span> Total() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;    PolyNodes AllNodes;</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classClipperLib_1_1Clipper.html">Clipper</a>; <span class="comment">//to access AllNodes</span></div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;};</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;        </div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;<span class="keyword">enum</span> JoinType { jtSquare, jtRound, jtMiter };</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;<span class="keywordtype">bool</span> Orientation(<span class="keyword">const</span> Polygon &amp;poly);</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;<span class="keywordtype">double</span> Area(<span class="keyword">const</span> Polygon &amp;poly);</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="keywordtype">void</span> OffsetPolygons(<span class="keyword">const</span> Polygons &amp;in_polys, Polygons &amp;out_polys,</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;  <span class="keywordtype">double</span> delta, JoinType jointype = jtSquare, <span class="keywordtype">double</span> limit = 0, <span class="keywordtype">bool</span> autoFix = <span class="keyword">true</span>);</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;<span class="keywordtype">void</span> SimplifyPolygon(<span class="keyword">const</span> Polygon &amp;in_poly, Polygons &amp;out_polys, PolyFillType fillType = pftEvenOdd);</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;<span class="keywordtype">void</span> SimplifyPolygons(<span class="keyword">const</span> Polygons &amp;in_polys, Polygons &amp;out_polys, PolyFillType fillType = pftEvenOdd);</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;<span class="keywordtype">void</span> SimplifyPolygons(Polygons &amp;polys, PolyFillType fillType = pftEvenOdd);</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;<span class="keywordtype">void</span> CleanPolygon(Polygon&amp; in_poly, Polygon&amp; out_poly, <span class="keywordtype">double</span> distance = 1.415);</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;<span class="keywordtype">void</span> CleanPolygons(Polygons&amp; in_polys, Polygons&amp; out_polys, <span class="keywordtype">double</span> distance = 1.415);</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;<span class="keywordtype">void</span> PolyTreeToPolygons(PolyTree&amp; polytree, Polygons&amp; polygons);</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;<span class="keywordtype">void</span> ReversePolygon(Polygon&amp; p);</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;<span class="keywordtype">void</span> ReversePolygons(Polygons&amp; p);</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;<span class="comment">//used internally ...</span></div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;<span class="keyword">enum</span> EdgeSide { esLeft = 1, esRight = 2};</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;<span class="keyword">enum</span> IntersectProtects { ipNone = 0, ipLeft = 1, ipRight = 2, ipBoth = 3 };</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;</div>
<div class="line"><a name="l00127"></a><span class="lineno"><a class="code" href="structClipperLib_1_1TEdge.html">  127</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> {</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;  long64 xbot;</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;  long64 ybot;</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;  long64 xcurr;</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;  long64 ycurr;</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;  long64 xtop;</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;  long64 ytop;</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;  <span class="keywordtype">double</span> dx;</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;  long64 deltaX;</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;  long64 deltaY;</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;  long64 tmpX;</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;  PolyType polyType;</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;  EdgeSide side;</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;  <span class="keywordtype">int</span> windDelta; <span class="comment">//1 or -1 depending on winding direction</span></div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;  <span class="keywordtype">int</span> windCnt;</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;  <span class="keywordtype">int</span> windCnt2; <span class="comment">//winding count of the opposite polytype</span></div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;  <span class="keywordtype">int</span> outIdx;</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;  <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *next;</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;  <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *prev;</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;  <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *nextInLML;</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;  <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *nextInAEL;</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;  <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *prevInAEL;</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;  <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *nextInSEL;</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;  <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *prevInSEL;</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;};</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;</div>
<div class="line"><a name="l00153"></a><span class="lineno"><a class="code" href="structClipperLib_1_1IntersectNode.html">  153</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structClipperLib_1_1IntersectNode.html">IntersectNode</a> {</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;  <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a>          *edge1;</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;  <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a>          *edge2;</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;  <a class="code" href="structClipperLib_1_1IntPoint.html">IntPoint</a>        pt;</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;  <a class="code" href="structClipperLib_1_1IntersectNode.html">IntersectNode</a>  *next;</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;};</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;</div>
<div class="line"><a name="l00160"></a><span class="lineno"><a class="code" href="structClipperLib_1_1LocalMinima.html">  160</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structClipperLib_1_1LocalMinima.html">LocalMinima</a> {</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;  long64        Y;</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;  <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a>        *leftBound;</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;  <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a>        *rightBound;</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;  <a class="code" href="structClipperLib_1_1LocalMinima.html">LocalMinima</a>  *next;</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;};</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;</div>
<div class="line"><a name="l00167"></a><span class="lineno"><a class="code" href="structClipperLib_1_1Scanbeam.html">  167</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structClipperLib_1_1Scanbeam.html">Scanbeam</a> {</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;  long64    Y;</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;  <a class="code" href="structClipperLib_1_1Scanbeam.html">Scanbeam</a> *next;</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;};</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;<span class="keyword">struct </span><a class="code" href="structClipperLib_1_1OutPt.html">OutPt</a>; <span class="comment">//forward declaration</span></div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;</div>
<div class="line"><a name="l00174"></a><span class="lineno"><a class="code" href="structClipperLib_1_1OutRec.html">  174</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structClipperLib_1_1OutRec.html">OutRec</a> {</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;  <span class="keywordtype">int</span>     idx;</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;  <span class="keywordtype">bool</span>    isHole;</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;  <a class="code" href="structClipperLib_1_1OutRec.html">OutRec</a> *FirstLeft;  <span class="comment">//see comments in clipper.pas</span></div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;  <a class="code" href="classClipperLib_1_1PolyNode.html">PolyNode</a> *polyNode;</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;  <a class="code" href="structClipperLib_1_1OutPt.html">OutPt</a>  *pts;</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;  <a class="code" href="structClipperLib_1_1OutPt.html">OutPt</a>  *bottomPt;</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;};</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;</div>
<div class="line"><a name="l00183"></a><span class="lineno"><a class="code" href="structClipperLib_1_1OutPt.html">  183</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structClipperLib_1_1OutPt.html">OutPt</a> {</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;  <span class="keywordtype">int</span>     idx;</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;  <a class="code" href="structClipperLib_1_1IntPoint.html">IntPoint</a> pt;</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;  <a class="code" href="structClipperLib_1_1OutPt.html">OutPt</a>   *next;</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;  <a class="code" href="structClipperLib_1_1OutPt.html">OutPt</a>   *prev;</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;};</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;</div>
<div class="line"><a name="l00190"></a><span class="lineno"><a class="code" href="structClipperLib_1_1JoinRec.html">  190</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structClipperLib_1_1JoinRec.html">JoinRec</a> {</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;  <a class="code" href="structClipperLib_1_1IntPoint.html">IntPoint</a>  pt1a;</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;  <a class="code" href="structClipperLib_1_1IntPoint.html">IntPoint</a>  pt1b;</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;  <span class="keywordtype">int</span>       poly1Idx;</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;  <a class="code" href="structClipperLib_1_1IntPoint.html">IntPoint</a>  pt2a;</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;  <a class="code" href="structClipperLib_1_1IntPoint.html">IntPoint</a>  pt2b;</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;  <span class="keywordtype">int</span>       poly2Idx;</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;};</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;</div>
<div class="line"><a name="l00199"></a><span class="lineno"><a class="code" href="structClipperLib_1_1HorzJoinRec.html">  199</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structClipperLib_1_1HorzJoinRec.html">HorzJoinRec</a> {</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;  <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a>    *edge;</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;  <span class="keywordtype">int</span>       savedIdx;</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;};</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;</div>
<div class="line"><a name="l00204"></a><span class="lineno"><a class="code" href="structClipperLib_1_1IntRect.html">  204</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structClipperLib_1_1IntRect.html">IntRect</a> { long64 left; long64 top; long64 right; long64 bottom; };</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;<span class="keyword">typedef</span> std::vector &lt; OutRec* &gt; PolyOutList;</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;<span class="keyword">typedef</span> std::vector &lt; TEdge* &gt; EdgeList;</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;<span class="keyword">typedef</span> std::vector &lt; JoinRec* &gt; JoinList;</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;<span class="keyword">typedef</span> std::vector &lt; HorzJoinRec* &gt; HorzJoinList;</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;</div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;<span class="comment">//ClipperBase is the ancestor to the Clipper class. It should not be</span></div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;<span class="comment">//instantiated directly. This class simply abstracts the conversion of sets of</span></div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;<span class="comment">//polygon coordinates into edge objects that are stored in a LocalMinima list.</span></div>
<div class="line"><a name="l00214"></a><span class="lineno"><a class="code" href="classClipperLib_1_1ClipperBase.html">  214</a></span>&#160;<span class="keyword">class </span><a class="code" href="classClipperLib_1_1ClipperBase.html">ClipperBase</a></div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;{</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;  <a class="code" href="classClipperLib_1_1ClipperBase.html">ClipperBase</a>();</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;  <span class="keyword">virtual</span> ~<a class="code" href="classClipperLib_1_1ClipperBase.html">ClipperBase</a>();</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;  <span class="keywordtype">bool</span> AddPolygon(<span class="keyword">const</span> Polygon &amp;pg, PolyType polyType);</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;  <span class="keywordtype">bool</span> AddPolygons( <span class="keyword">const</span> Polygons &amp;ppg, PolyType polyType);</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> Clear();</div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;  <a class="code" href="structClipperLib_1_1IntRect.html">IntRect</a> GetBounds();</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;<span class="keyword">protected</span>:</div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;  <span class="keywordtype">void</span> DisposeLocalMinimaList();</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;  <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a>* AddBoundsToLML(<a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *e);</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;  <span class="keywordtype">void</span> PopLocalMinima();</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> Reset();</div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;  <span class="keywordtype">void</span> InsertLocalMinima(<a class="code" href="structClipperLib_1_1LocalMinima.html">LocalMinima</a> *newLm);</div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;  <a class="code" href="structClipperLib_1_1LocalMinima.html">LocalMinima</a>      *m_CurrentLM;</div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;  <a class="code" href="structClipperLib_1_1LocalMinima.html">LocalMinima</a>      *m_MinimaList;</div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;  <span class="keywordtype">bool</span>              m_UseFullRange;</div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;  EdgeList          m_edges;</div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;};</div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;</div>
<div class="line"><a name="l00235"></a><span class="lineno"><a class="code" href="classClipperLib_1_1Clipper.html">  235</a></span>&#160;<span class="keyword">class </span><a class="code" href="classClipperLib_1_1Clipper.html">Clipper</a> : <span class="keyword">public</span> <span class="keyword">virtual</span> <a class="code" href="classClipperLib_1_1ClipperBase.html">ClipperBase</a></div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;{</div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;  <a class="code" href="classClipperLib_1_1Clipper.html">Clipper</a>();</div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;  ~<a class="code" href="classClipperLib_1_1Clipper.html">Clipper</a>();</div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;  <span class="keywordtype">bool</span> Execute(ClipType clipType,</div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;    Polygons &amp;solution,</div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;    PolyFillType subjFillType = pftEvenOdd,</div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;    PolyFillType clipFillType = pftEvenOdd);</div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;  <span class="keywordtype">bool</span> Execute(ClipType clipType,</div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;    <a class="code" href="classClipperLib_1_1PolyTree.html">PolyTree</a> &amp;polytree,</div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;    PolyFillType subjFillType = pftEvenOdd,</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;    PolyFillType clipFillType = pftEvenOdd);</div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;  <span class="keywordtype">void</span> Clear();</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;  <span class="keywordtype">bool</span> ReverseSolution() {<span class="keywordflow">return</span> m_ReverseOutput;};</div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;  <span class="keywordtype">void</span> ReverseSolution(<span class="keywordtype">bool</span> value) {m_ReverseOutput = value;};</div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;<span class="keyword">protected</span>:</div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;  <span class="keywordtype">void</span> Reset();</div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> ExecuteInternal();</div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;  PolyOutList       m_PolyOuts;</div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;  JoinList          m_Joins;</div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;  HorzJoinList      m_HorizJoins;</div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;  ClipType          m_ClipType;</div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;  <a class="code" href="structClipperLib_1_1Scanbeam.html">Scanbeam</a>         *m_Scanbeam;</div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;  <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a>           *m_ActiveEdges;</div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;  <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a>           *m_SortedEdges;</div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;  <a class="code" href="structClipperLib_1_1IntersectNode.html">IntersectNode</a>   *m_IntersectNodes;</div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;  <span class="keywordtype">bool</span>             m_ExecuteLocked;</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;  PolyFillType     m_ClipFillType;</div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;  PolyFillType     m_SubjFillType;</div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;  <span class="keywordtype">bool</span>             m_ReverseOutput;</div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;  <span class="keywordtype">bool</span>             m_UsingPolyTree; </div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;  <span class="keywordtype">void</span> DisposeScanbeamList();</div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;  <span class="keywordtype">void</span> SetWindingCount(<a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a>&amp; edge);</div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;  <span class="keywordtype">bool</span> IsEvenOddFillType(<span class="keyword">const</span> <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a>&amp; edge) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;  <span class="keywordtype">bool</span> IsEvenOddAltFillType(<span class="keyword">const</span> <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a>&amp; edge) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;  <span class="keywordtype">void</span> InsertScanbeam(<span class="keyword">const</span> long64 Y);</div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;  long64 PopScanbeam();</div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;  <span class="keywordtype">void</span> InsertLocalMinimaIntoAEL(<span class="keyword">const</span> long64 botY);</div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;  <span class="keywordtype">void</span> InsertEdgeIntoAEL(<a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *edge);</div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;  <span class="keywordtype">void</span> AddEdgeToSEL(<a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *edge);</div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;  <span class="keywordtype">void</span> CopyAELToSEL();</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;  <span class="keywordtype">void</span> DeleteFromSEL(<a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *e);</div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;  <span class="keywordtype">void</span> DeleteFromAEL(<a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *e);</div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;  <span class="keywordtype">void</span> UpdateEdgeIntoAEL(<a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *&amp;e);</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;  <span class="keywordtype">void</span> SwapPositionsInSEL(<a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *edge1, <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *edge2);</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;  <span class="keywordtype">bool</span> IsContributing(<span class="keyword">const</span> <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a>&amp; edge) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;  <span class="keywordtype">bool</span> IsTopHorz(<span class="keyword">const</span> long64 XPos);</div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;  <span class="keywordtype">void</span> SwapPositionsInAEL(<a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *edge1, <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *edge2);</div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;  <span class="keywordtype">void</span> DoMaxima(<a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *e, long64 topY);</div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;  <span class="keywordtype">void</span> ProcessHorizontals();</div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;  <span class="keywordtype">void</span> ProcessHorizontal(<a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *horzEdge);</div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;  <span class="keywordtype">void</span> AddLocalMaxPoly(<a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *e1, <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *e2, <span class="keyword">const</span> <a class="code" href="structClipperLib_1_1IntPoint.html">IntPoint</a> &amp;pt);</div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;  <span class="keywordtype">void</span> AddLocalMinPoly(<a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *e1, <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *e2, <span class="keyword">const</span> <a class="code" href="structClipperLib_1_1IntPoint.html">IntPoint</a> &amp;pt);</div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;  <span class="keywordtype">void</span> AppendPolygon(<a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *e1, <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *e2);</div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;  <span class="keywordtype">void</span> DoEdge1(<a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *edge1, <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *edge2, <span class="keyword">const</span> <a class="code" href="structClipperLib_1_1IntPoint.html">IntPoint</a> &amp;pt);</div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;  <span class="keywordtype">void</span> DoEdge2(<a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *edge1, <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *edge2, <span class="keyword">const</span> <a class="code" href="structClipperLib_1_1IntPoint.html">IntPoint</a> &amp;pt);</div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;  <span class="keywordtype">void</span> DoBothEdges(<a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *edge1, <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *edge2, <span class="keyword">const</span> <a class="code" href="structClipperLib_1_1IntPoint.html">IntPoint</a> &amp;pt);</div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;  <span class="keywordtype">void</span> IntersectEdges(<a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *e1, <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *e2,</div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;    <span class="keyword">const</span> <a class="code" href="structClipperLib_1_1IntPoint.html">IntPoint</a> &amp;pt, <span class="keyword">const</span> IntersectProtects protects);</div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;  <a class="code" href="structClipperLib_1_1OutRec.html">OutRec</a>* CreateOutRec();</div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;  <span class="keywordtype">void</span> AddOutPt(<a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *e, <span class="keyword">const</span> <a class="code" href="structClipperLib_1_1IntPoint.html">IntPoint</a> &amp;pt);</div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;  <span class="keywordtype">void</span> DisposeAllPolyPts();</div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;  <span class="keywordtype">void</span> DisposeOutRec(PolyOutList::size_type index);</div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;  <span class="keywordtype">bool</span> ProcessIntersections(<span class="keyword">const</span> long64 botY, <span class="keyword">const</span> long64 topY);</div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;  <span class="keywordtype">void</span> AddIntersectNode(<a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *e1, <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *e2, <span class="keyword">const</span> <a class="code" href="structClipperLib_1_1IntPoint.html">IntPoint</a> &amp;pt);</div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;  <span class="keywordtype">void</span> BuildIntersectList(<span class="keyword">const</span> long64 botY, <span class="keyword">const</span> long64 topY);</div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;  <span class="keywordtype">void</span> ProcessIntersectList();</div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;  <span class="keywordtype">void</span> ProcessEdgesAtTopOfScanbeam(<span class="keyword">const</span> long64 topY);</div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;  <span class="keywordtype">void</span> BuildResult(Polygons&amp; polys);</div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;  <span class="keywordtype">void</span> BuildResult2(<a class="code" href="classClipperLib_1_1PolyTree.html">PolyTree</a>&amp; polytree);</div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;  <span class="keywordtype">void</span> SetHoleState(<a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *e, <a class="code" href="structClipperLib_1_1OutRec.html">OutRec</a> *<a class="code" href="structClipperLib_1_1OutRec.html">OutRec</a>);</div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;  <span class="keywordtype">void</span> DisposeIntersectNodes();</div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;  <span class="keywordtype">bool</span> FixupIntersectionOrder();</div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;  <span class="keywordtype">void</span> FixupOutPolygon(OutRec &amp;outRec);</div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;  <span class="keywordtype">bool</span> IsHole(<a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *e);</div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;  <span class="keywordtype">void</span> FixHoleLinkage(OutRec &amp;outRec);</div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;  <span class="keywordtype">void</span> AddJoin(<a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *e1, <a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *e2, <span class="keywordtype">int</span> e1OutIdx = -1, <span class="keywordtype">int</span> e2OutIdx = -1);</div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;  <span class="keywordtype">void</span> ClearJoins();</div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;  <span class="keywordtype">void</span> AddHorzJoin(<a class="code" href="structClipperLib_1_1TEdge.html">TEdge</a> *e, <span class="keywordtype">int</span> idx);</div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;  <span class="keywordtype">void</span> ClearHorzJoins();</div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;  <span class="keywordtype">bool</span> JoinPoints(<span class="keyword">const</span> <a class="code" href="structClipperLib_1_1JoinRec.html">JoinRec</a> *j, <a class="code" href="structClipperLib_1_1OutPt.html">OutPt</a> *&amp;p1, <a class="code" href="structClipperLib_1_1OutPt.html">OutPt</a> *&amp;p2);</div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;  <span class="keywordtype">void</span> FixupJoinRecs(<a class="code" href="structClipperLib_1_1JoinRec.html">JoinRec</a> *j, <a class="code" href="structClipperLib_1_1OutPt.html">OutPt</a> *pt, <span class="keywordtype">unsigned</span> startIdx);</div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;  <span class="keywordtype">void</span> JoinCommonEdges();</div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;  <span class="keywordtype">void</span> FixupFirstLefts1(OutRec* OldOutRec, OutRec* NewOutRec);</div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;  <span class="keywordtype">void</span> FixupFirstLefts2(OutRec* OldOutRec, OutRec* NewOutRec);</div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;};</div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;</div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;<span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;<span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;</div>
<div class="line"><a name="l00327"></a><span class="lineno"><a class="code" href="classClipperLib_1_1clipperException.html">  327</a></span>&#160;<span class="keyword">class </span><a class="code" href="classClipperLib_1_1clipperException.html">clipperException</a> : <span class="keyword">public</span> std::exception</div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;{</div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;    <a class="code" href="classClipperLib_1_1clipperException.html">clipperException</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* description): m_descr(description) {}</div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;    <span class="keyword">virtual</span> ~<a class="code" href="classClipperLib_1_1clipperException.html">clipperException</a>() <span class="keywordflow">throw</span>() {}</div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;    <span class="keyword">virtual</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* what() <span class="keyword">const</span> <span class="keywordflow">throw</span>() {<span class="keywordflow">return</span> m_descr.c_str();}</div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;  <span class="keyword">private</span>:</div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;    std::string m_descr;</div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;};</div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;<span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;</div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;} <span class="comment">//ClipperLib namespace</span></div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;</div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;<span class="preprocessor">#endif //clipper_hpp</span></div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;</div>
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